sajid ibrahim, H. (2011). Effectiveness of the method of direct inquiry in the collection of second grade students in the average Biology. , 0(49), 574-606.
hadeel sajid ibrahim. "Effectiveness of the method of direct inquiry in the collection of second grade students in the average Biology". , 0, 49, 2011, 574-606.
sajid ibrahim, H. (2011). 'Effectiveness of the method of direct inquiry in the collection of second grade students in the average Biology', , 0(49), pp. 574-606.
sajid ibrahim, H. Effectiveness of the method of direct inquiry in the collection of second grade students in the average Biology. , 2011; 0(49): 574-606.